import {mapGetters} from 'vuex'

export default {
    computed: {
      ...mapGetters('my_cart',['total'])
    },
    methods:{
      setBadge(){
        uni.setTabBarBadge({
          index:2,
          text:this.total + '',
        })
      }
    },
    watch : {
      total(){
        this.setBadge()
      },
    },
    onShow() {
      this.setBadge()
    }
	}